Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

ILYSA R DIAMOND

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1356596332
CMS profile
198273
Location
OAK PARK, IL

General Payments · PY2018–2024

$5,316.32

  • Reported across 166 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$849.76

35 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $849.76 35

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $425.62 11
PY2019 $340.19 12
PY2020 $1,781.23 17
PY2021 $170.26 7
PY2022 $761.96 30
PY2023 $987.30 54
PY2024 $849.76 35

Payment records · PY2024 (35)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $26.30 02/07/2024 Food and Beverage Undisputed 01/23/2026 1103637382 CMS
ABBVIE INC. $21.80 04/18/2024 Food and Beverage Undisputed 01/23/2026 1103637384 CMS
ABBVIE INC. $9.74 05/09/2024 Food and Beverage Undisputed 01/23/2026 1103637386 CMS
ABBVIE INC. $17.00 07/18/2024 Food and Beverage Undisputed 01/23/2026 1103637388 CMS
ABBVIE INC. $15.13 08/22/2024 Food and Beverage Undisputed 01/23/2026 1103637390 CMS
ABBVIE INC. $18.10 09/26/2024 Food and Beverage Undisputed 01/23/2026 1103637392 CMS
ABBVIE INC. $23.46 10/31/2024 Food and Beverage Undisputed 01/23/2026 1103637394 CMS
ABBVIE INC. $25.19 11/04/2024 Food and Beverage Undisputed 01/23/2026 1103637396 CMS
ABBVIE INC. $118.99 11/07/2024 Food and Beverage Undisputed 01/23/2026 1103637398 CMS
ABBVIE INC. $30.90 12/02/2024 Food and Beverage Undisputed 01/23/2026 1103637400 CMS
ABBVIE INC. $33.00 12/12/2024 Food and Beverage Undisputed 01/23/2026 1103637402 CMS
Ardelyx, Inc. $27.12 03/27/2024 Food and Beverage Undisputed 01/23/2026 1146678192 CMS
Ardelyx, Inc. $14.69 08/14/2024 Food and Beverage Undisputed 01/23/2026 1146678194 CMS
Ardelyx, Inc. $24.77 12/18/2024 Food and Beverage Undisputed 01/23/2026 1146678196 CMS
Celgene Corporation $26.05 01/04/2024 Food and Beverage Undisputed 01/23/2026 1101156560 CMS
Celgene Corporation $20.90 01/17/2024 Food and Beverage Undisputed 01/23/2026 1101156568 CMS
Celgene Corporation $34.17 03/13/2024 Food and Beverage Undisputed 01/23/2026 1101156572 CMS
Janssen Biotech, Inc. $20.28 01/11/2024 Food and Beverage Undisputed 01/23/2026 1078600239 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.24 01/17/2024 Food and Beverage Undisputed 01/23/2026 1153578987 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.90 02/28/2024 Food and Beverage Undisputed 01/23/2026 1153409642 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.32 04/09/2024 Food and Beverage Undisputed 01/23/2026 1153643869 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.29 05/07/2024 Food and Beverage Undisputed 01/23/2026 1153560995 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.99 01/03/2024 Food and Beverage Undisputed 01/23/2026 1137530529 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.49 03/14/2024 Food and Beverage Undisputed 01/23/2026 1137530533 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.83 03/28/2024 Food and Beverage Undisputed 01/23/2026 1137530537 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.77 05/15/2024 Food and Beverage Undisputed 01/23/2026 1137530541 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.61 06/20/2024 Food and Beverage Undisputed 01/23/2026 1137530545 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.55 08/15/2024 Food and Beverage Undisputed 01/23/2026 1137530548 CMS
Takeda Pharmaceuticals U.S.A., Inc. $11.43 09/19/2024 Food and Beverage Undisputed 01/23/2026 1137530552 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.12 10/09/2024 Food and Beverage Undisputed 01/23/2026 1137530556 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.01 10/24/2024 Food and Beverage Undisputed 01/23/2026 1137530560 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.85 10/30/2024 Food and Beverage Undisputed 01/23/2026 1137530564 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.59 11/06/2024 Food and Beverage Undisputed 01/23/2026 1137530568 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.95 11/21/2024 Food and Beverage Undisputed 01/23/2026 1137530571 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.23 12/12/2024 Food and Beverage Undisputed 01/23/2026 1137530575 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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